Generally speaking, vehicles can have much higher power and toughness than normal creatures of the same mana cost, since you have to jump through the additional hoop of crewing to use them
That ended with a rules change regarding the cost of split cards, especially in situations where you could cast a spell with mana value X or less without paying its mana cost
Turn it face up any time for its morph cost.) When Brine Elemental is turned face up, each opponent skips their next untap step
Notable highlights include Jukai Naturalist and Herald of the Pantheon to reduce your costs, cool constellation-esque triggers like Sythis, Harvest's Hand and Archon of Sun's Grace, and some plain old great enchantments like Shark Typhoon and Maelstrom Nexus
On arrival this 3/3 will basically fight any dork of your choice, and dole out three damage to it and take some back